iOS implementation

//launching
let flightDetailsScreenBuilder = KarhooUI().screens().flightDetails()
let flightDetailsScreen = flightDetailsScreenBuilder.buildFlightDetailsScreen(completion: { [weak self] result in
                                                               	 	print("added flight number: \(result.completedValue())")
                                                               	    self?.dismiss(animated: true, completion: nil)
                                                            	}
})

self.present(flightDetailsScreen, animated: true, completion: nil)